Question

Stie cineva la 4 si la 5 ?

Answer 1

4)
AM=MB=6/2=3 cm
CP=PB=4/2=2 cm
Aria ABCD=6×4=24 cm²
Aria BPM=3×2/2=3 cm²
Aria ADM=3×4/2=6 cm²
Aria CDMP=24-Aria BPM-Aria ADM=24-3-6=15 cm²

5)
NB=6/4×3=4,5 cm
NC=6-4,5=1,5 cm
Aria ABCD=6×6=36 cm²
Aria BMN=3×4,5/2= 6,75 cm²
Aria ADM=6×3/2=9 cm²
Aria DCN=6×1,5/2=4,5 cm²
Aria DMN=36-Aria BMN-Aria ADM-Aria DNC=36-6,75-9-4,5=15,75 cm²